Sirolimus
Synonyms
AY 22 989
AY 22-989
AY 22989
I 2190A
I-2190A
I2190A
Rapamune
Rapamycin
A macrolide compound obtained from Streptomyces hygroscopicus that acts by selectively blocking the transcriptional activation of cytokines thereby inhibiting cytokine production. It is bioactive only when bound to IMMUNOPHILINS. Sirolimus is a potent immunosuppressant and possesses both antifungal and antineoplastic properties.